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If the line ax+by +c =0 is a normal to ...

If the line `ax+by +c =0 ` is a normal to the curve `xy=1 ` at the point (1, 1), then -

A

`a = b`

B

`a=-b`

C

`a^(2)=b`

D

`b^(2)=a`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • If the line ax+by+c=0 is a normal to the curve xy=1 then

    A
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  • If the line ax+by+c=0,abne0 , is a tangent to the curve xy=1-2x , then

    A
    `agt0,blt0`
    B
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